Glaciations
(glaciation 的复数) n. 冻结成冰, 冰川作用
🗣️ 情景例句
Yes, I know that.
是的 ，我知道。
It's December.
现在是十二月。
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。